BTR
- B. T. Ranadive
- B.T.R. (band)
- BTR (album)
- BTR (vehicle)
- BTR Aerospace Group
- BTR plc
- BTR–EMS–AKG Janakeeya Vedi
- Bad Trip Records
- Barcelona Trail Races
- Baton Rouge Metropolitan Airport
- Beyond Therapy Records
- Big Tent Revival
- Big Time Rush (Big Time Rush song)
- Big Time Rush (TV series)
- Big Time Rush (group)
- Black The Ripper
- Black Toast Records
- BlogTalkRadio
- Bocchi the Rock!
- Born to Run
- Born to Run (song)
- Braintree railway station (England)
- British Tape Recorder
- British Thomson-Houston
- Build to rent
- Ruf BTR